Magnetoresistive displacement sensor and signal processing circu

Details Magnetoresistive displacement sensor and signal processing circu Magnetoresistive displacement sensor and signal processing circu

1985-05-28

1988-07-12

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Magnetic

Displacement

324252, 338 32R, G01B 714, G01R 3302

Patent

active

047572574

ABSTRACT:
The disclosed device prevents the adverse effect of self-demagnetization from occurring at a continuous long coded part on a code plate arranged to permit detection of an absolute position. A magnetoresistive displacement sensor and signal processing circuit is arranged to have the code composed of magnetic domains of opposite polarities. A plurality of heads are arranged to slide over the coded part. The output signals of these heads are processed through a signal processing circuit.

REFERENCES:
patent: 4274053 (1981-06-01), Ito et al.
patent: 4319188 (1982-03-01), Ito et al.
patent: 4429276 (1984-01-01), Narimatsu et al.
patent: 4599561 (1986-07-01), Takahashi et al.
patent: 4603365 (1986-07-01), Nakamura
patent: 4616281 (1986-12-01), Nakamura

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